ASCO 300SE Series 150A 3Ø-277/480V 4 Wire Automatic Transfer Switch
ASCO SERIES 300SE products use two types of construction. Products 400 amperes or less, utilize a single enclosure which includes a service (utility source) disconnect circuit breaker, as well as the power transfer switch, grounding and bonding provisions. Products 600 amperes and above, utilize a multi-section switchboard construction including a service equipment section containing the service (utility source) disconnect circuit breaker, grounding, and bonding provisions. A second section contains the power transfer switch. PRODUCT FEATURES: • Suitable for use as service entrance equipment. ASCO Series 300 Power Transfer Switch is listed to UL 1008 (standard for transfer switching equipment). • Sizes available from 70 - 3000 amps, 600 VAC, 50 or 60 Hz, single or three phase. • Meets all NEC requirements for use as service entrance. • Silver plated copper ground and neutral bus solderless screw type terminals. • Ground fault trip protection provided on sizes 1000 amps and above • Available with solid or switched neutral.